The AF-S NIKKOR 18-35mm F3.5-4.5G ED is an affordable ultra wide-angle zoom lens that's designed for use on Nikon's FX (full-frame) SLRs. It can also be used on DX (APS-C) format cameras, on which it offers a 27-52mm equivalent range. Equipped with two ED (extra low-dispersion) and three aspherical elements, the AF-S 18-35mm is relatively compact, and weighs just 385g (13.6 oz).